Copy: augment confirmation message when advancing from 'Labeling + Voting' stage
Copy: augment confirmation message when advancing from 'Labeling + Voting' stage

  - some facilitators, understandably, get through the labeling phase and quickly advance to action item generation, not realizing that their team needs to vote. this copy change is clumsy, but buys us time for a smarter enabling/disabling strategy for the stage progression button

stride-nyc/remote_retro,stride-nyc/remote_retro,stride-nyc/remote_retro